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***The Official MSI 5850 Twin FrozeR Thread***

Mr Krugga said:
bushdoingitwrong.jpg


Wait, what? That's not how you do it :p

Set 725/1000 and standard voltage as your default profile (2d profile) and that will downclock to 157/300 at 950mV in idle.

Set whatever your overclock is as a 3d profile, that will kick in any time you launch a GPU-dependant application.

Side note: be aware that minimizing a game and trying to watch a youtube (flash) video with Hardware Acceleration on will result in an instant driver crash as it's supposed to downclock (or overclock for that matter) to 550/900 or something along these lines. That's a software limitation though.


In other news, my card is unstable with memory at 1150MHz or above. Can MSI 5850 Twin Frozr II owners check their max memory overclocks? Do the tests with core speed and voltage on default, the memory clock is independent. I think all cards use the same memory modules thus finding the max stable ones a good indicator of components quality.

Reference memory usually hits something in between 1200-1250MHz before it crashes/throttles back.
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Right right...so I just just use reset and and save that as the 2D profile?
Edited: Got it working now working at 157/300MHz at idle now lol


As for the memory, that for most game 1200MHz memory clock is no problem (I play on TF2, L4D2, Killing Floor etc), but in BFBC2 it doesn't like that memory clock beyond 1100MHz for some odd reason...and it would crash if the memory clock is higher than that...
 
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Did the Lagom looks like my monitor goes out of phase as auto corrects it then it creeps back out again. Would running it through DVI solve that?
 
Sho said:
Can someone give a me a beakdown how to overclock this.

I havnt overclocked a card in ages. So dont wana blow this up... By reading most of this thread some people are having problems.

Thanks
Click to expand...


Choose one or more games that you enjoy playing and that are quite GPU demanding. Battlefield Bad Company 2 gets my card hotter than Unigine Heaven for example. Crysis or Metro 2033 would also be good stress testers. GTA IV worked for me well enough when overclocking my reference Sapphire 5850, the game would skip some frames during the gameplay, usually an hour or so within the game. It would occur as clock drops and could be countered by lowering the core/memory clocks by some marginal value, usually 5-10MHz.


1) Download MSI Afterburner 2.0

2) Enable Unofficial Overclocking in .cfg file in Afterburner directory

3) Reset your Catalyst Control Panel settings to factory default

4) Save your default profile to 1 and then as 2d profile in Afterburner settings

5) Ramp up your memory clocks to 1100 MHz, apply and save as the second profile, 3d profile in Afterburner settings.

6) Test in game, if stable, go further by 25 MHz, leave your core clock/voltage at default yet. You will probably find the memory being unstable at 1200 MHz or earlier.

7) With your max stable memory do some Unigine Heaven benchmarks, note down the scores of the second run each time you do them. Clock memory down by 10-15 MHz, note the score of the second run in Heaven, compare the scores. See which setting gives you the best score. Double check, save the profile in Afterburner and then in settings as 3d profile.

8) Start overclocking the core, 15 MHz increases until you find instability. Up to you how much voltage you're willing to apply, I usually save a few profiles, one for stock max clocks, one for mild voltage overclock and another one for max overclock. You have to find the sweetspot for your card/your needs.

9) Use the memory overclock from your previous tests and see if it's stable with the max core overclock. I usually do 3 runs of Heaven and 2 hours of BFBC2/Crysis gameplay to decide whether it's stable or not.
 
Marine-RX179 said:
Right right...so I just just use reset and and save that as the 2D profile?
Edited: Got it working now working at 157/300MHz at idle now lol


As for the memory, that for most game 1200MHz memory clock is no problem (I play on TF2, L4D2, Killing Floor etc), but in BFBC2 it doesn't like that memory clock beyond 1100MHz for some odd reason...and it would crash if the memory clock is higher than that...
Click to expand...

Great, so you got it working right ;)

TF2/L4D2 - Source games. Not really GPU demanding, are they? Try Crysis or any other graphics hog, you'll immediately notice that it's not BFBC2 issue. These cards have very low quality memory modules it would seem. 4.4Ghz vs 5Ghz on Asus cards isn't impressive. Worse than that, reference MSI cards got better memory modules on them.

Mattyjw said:
Did the Lagom looks like my monitor goes out of phase as auto corrects it then it creeps back out again. Would running it through DVI solve that?
Click to expand...

I would certainly try that.


EDIT: after analysing MSI Afterburner hardware monitor I noticed that the card drops to 725/1000 at 1V sometimes. It may be the cause of most instabilities when playing games and should be solved by a fully working BIOS.
 
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Mr Krugga said:
Great, so you got it working right ;)

TF2/L4D2 - Source games. Not really GPU demanding, are they? Try Crysis or any other graphics hog, you'll immediately notice that it's not BFBC2 issue. These cards have very low quality memory modules it would seem. 4.4Ghz vs 5Ghz on Asus cards isn't impressive. Worse than that, reference MSI cards got better memory modules on them.
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Well, while the memory may not clock as well as hoped for, I still think I'm quite happy with the card, considering it only costed £125 :p

If the core clock on the other hand won't go beyond 850MHz, then I would truly be disappointed :p
 
So whats everyones opinions on the cards so far? Mine turned up yesterday, but haven't got round to installing it yet. Seems a lot of you are having problems with overclocking? Which is a shame as I was hoping to give it a shot on mine.
 
Anyone else having fan control trouble with these?. Just installed mine today and the fans keep jumping to 100% for a few seconds then drop then jump etc in games even though the max fan speed was set to 80% in MSI Afterburner.
 
I'm getting a bit annoyed with this card, just seems to randomly do whatever it pleases.

The fan keeps jumping back to 55% and so do the clocks to the default 725/1000 and voltage 1.165v

I ran the Heaven Benchmark earlier and it just gave a fatal error and reset everything. Was only running at default speeds and the temps were very low. Just spat me out of a game earlier and again defaulted everything back to default fan speed of 55%. It was only a basic Indie game so wasn't even using 2% of this cards power.

When I launch a game it defaults, when I come out of a game it defaults... grrrr
 
Hmm, I'm finding it very discouraging hearing all these problems! I haven't opened mine up yet, would I be able to return it?
 
^ Dont get discouraged!

In all honesty I can get the memory stable in all the games I have upto 1300mhz... but some people claim they cant get stable above 1100mhz...

At the same time I can get core stable upto 900, but only 880 in all the games I have... and some people can get theres stable over 950.

Open it, install it, see what overclock you can get...

All are different!
 
Anyone modded the bios yet?

Seems odd the default clocks,and overclocking limited to 775 unless you edit afterburner.

bios1.jpg


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Anybody had a go at overclocking these in Crossfire mode? If I use MSI Afterburner and add 1mhz to the core or memory, click apply my system locks up. I have to hit the reset button.
Not really that bothered if they overclock or not as they are fast enough in BFBC2. Just wondering if I was doing something wrong.

This is my first Crossfire setup . Motherboard is an Gigabyte EX58-UD5 Intel X58. Running the BIOS that came with it as I purchased it as a bundle:

*OVERCLOCKED* Intel Core i7 920 D0 Stepping (SLBEJ) 4.00GHz / Gigabyte EX58-UD5 Intel X58 Motherboard / Corsair 6GB DDR3 PC3-12800C8 1600MHz DDR3 Bundle.

Running on Win 7 x64.
 
im using crossfire, overclocks fine, its just tha fan speeds i cant do anything with via afterburner or editing bios, they do as they wish.

Not had much time to play or see the limits.

Tried adjusting voltage from 1,088 to 1.1 and they would blue screen on booting into windows, so had to bung a different card in and re flash, lol ,ooops:D
 
Cheers OCUK for this excellent card... I've been amazed with DX11 so far =) it's also ideal that many people from here brought the card because I'm learning a lot from you guys =).
 
I've managed to get mine running ok at 900 clock and 1150 memory with 1.235volts. In Afterburner the voltage does seem to switch to 1.164 as a default minimum if you try to increase the clock speed, and as other people have said there it also seems to randomly forget to apply the fan speed control.
Aside from that its running fine. I would have prefered to use less extra voltage though (got a nice low voltage overclock on the cpu).
 
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